Not Surprising Anyone, Satellite Proliferation Contributes to Light Pollution

Not Surprising Anyone, Satellite Proliferation Contributes to Light Pollution

A new study examined the effects of recent increases in the number of space objects orbiting Earth and found that the proliferation of satellites contributes to a nearly ten percent increase over natural lighting of the night sky. Plus, Mars, Uranus, Neptune, ancient Earth, volcanoes, and our weekly What’s Up segment.

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Anatomical Dissection of Planetary Nebula Using Hubble Images

Anatomical Dissection of Planetary Nebula Using Hubble Images

Our coverage of last week’s AAS meeting continues with new work on the formation of planetary nebula based on Hubble Space Telescope images. Plus, a massive quasar in the early universe, water ice on Ganymede, a super-puff planet, and plans for taking spectra of Venus’ surface, featuring our guest, PSI scientist Dr. Darby Dyer.

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